Home / 801,689.07-1,106,345.29-439,089.57

Finding the Fourth Proportional to 801,689.07, 1,106,345.29 and 439,089.57

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Solution

The fourth proportional to 801,689.07, 1,106,345.29 and 439,089.57 is: 605,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,689.07 : 1,106,345.29 = 439,089.57 : x
  2. Step 2: Convert to fraction form
    801,689.07/1,106,345.29 = 439,089.57/x
  3. Step 3: Cross multiply
    801,689.07x = 1,106,345.29 × 439,089.57
  4. Step 4: Simplify right side
    801,689.07x = 485,784,684,575.09
  5. Step 5: Solve for x
    x = 485,784,684,575.09/801,689.07
  6. Step 6: Final answer
    x = 605,951.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.